Publication Informations

The influence of additives in the stoichiometry of hybrid lead halide perovskites
Authors: Ignasi Burgués-Ceballos; Achilleas Savva; Efthymios Georgiou; Konstantinos Kapnisis; Paris Papagiorgis; Androniki Mousikou; Grigorios Itskos; Andreas Othonos; Stelios A. Choulis
Year: 2017
Research Area: Optotelectronics
Type of Publication: Article
Journal Details
Journal: AIP Advances
Volume: 7
Number: 11
Pages: 115304
We investigate the employment of carefully selected solvent additives in the processing of a commercial perovskite precursor ink and analyze their impact on the performance of organometal trihalide perovskite (CH3NH3PbI3−xClx) photovoltaic devices. We provide evidence that the use of benzaldehyde can be used as an effective method to preserve the stoichiometry of the perovskite precursors in solution. Benzaldehyde based additive engineering shows to improve perovskite solid state film morphology and device performance of CH3NH3PbI3−xClx based solar cells.
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